Alarm clock



FIG. 1 is a front perspective view of an alarm clock of the present design, shown in an open configuration;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top perspective view thereof;

FIG. 6 is a bottom perspective view thereof; and

FIG. 7 is a front right perspective view thereof;

FIG. 8 is a rear right perspective view thereof; and,

FIG. 9 is a front view of the alarm clock of the present design shown in a closed configuration. 

CLAIM The ornamental design for an alarm clock, as shown and described. 